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2002 Chevrolet Silverado 1500 5.3L MIL Lamp on
Posted to GM Driveability on 11/2/2010 9 Replies

I was second on this jog and found intake leaking with smoke text. Replaced gasket. and fuel trim long turm stays at 25% low at 0% until car worms up . then it starts working normal . I think it needs to be flashed. check light was on for two years. so i think...

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  Related Documents & Media  2002 Chevrolet Silverado 1500

 
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car Vehicle Data

2002 Chevrolet Silverado 1500

VIN 2GCEC19T72
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
Message Closed

car Vehicle Data

2002 Chevrolet Silverado 1500

VIN 2GCEC19T72
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)